Despite Costco claims it has a stable “cared-for employee base,” over 18,000 employees disagree. Costco Teamsters have voted to strike on Jan. 31.

Costco Teamsters have voted to authorize a strike. The vote, passed with 85% of voters in favor, acts as a push from union members for a fair contract offer as the Costco Teamsters National Master Agreement is set to expire on Jan. 31.

Thousand of Costco Teamsters across the U.S. are preparing to strike by the end of the month if the company does not present a "fair contract offer," the union says.